Palindrome puzzle

A palindrome is a sequence of characters which reads the same backward or forward. Use the hints to find two words which create a palindrome. Example: A manufacturer of office equipment + sport club in Milan = Canon + AC = Canonac. For participation in the competition you must find at least 5 of these 7 palindromes:

one of the largest Slovak cities + other of the largest Slovak citiesAsian alcohol + parrotcaptain and also a small fish + portentsymbol of love + European megalopolis (original title)font style + tennis shotbasic idea + thousandcollection + Slovak border crossing (Slovak part)